<template>
  <transition name="drop">
    <div class="top-tip" v-show="showFlag" @click.stop="hide">
      <slot></slot>
    </div>
  </transition>
</template>

<script>
export default {
  name: 'toptip',
	props: {
		delay: {
			type: Number,
			default: 2000
		}
	},
	data() {
		return {
			showFlag: false
		}
	},
	methods: {
		show() { //延迟执行
			this.showFlag = true
			clearTimeout(this.timer)
			this.timer = setTimeout(() => {
				this.hide()
			}, this.delay)
		},
		hide() {
			this.showFlag = false
		}
	}
}
</script>

<style lang="scss" scoped >
	.top-tip{
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 500;
    background: $color-dialog-background;
    &.drop-enter-active, &.drop-leave-active{
      transition: all 0.3s;
		}
    &.drop-enter, &.drop-leave-to{
      transform: translate3d(0, -100%, 0);
		}
	}
</style>